Implementation Manager US

Deuna•New York, NY

1d•Remote

About The Position

As a n Implementation Manager , you will take full ownership of the merchant onboarding and integration journey after pre-sales closes the technical design . You will prepare integration packages , build go-live plans , answer technical questions , coordinate internal teams for product developments , and ensure high-quality and on-time merchant go-lives . You will be measured not only by the speed of onboarding but also by the quality of the go-live — making sure every flow, exception, and integration need is correctly addressed and tested.

Requirements

3+ years of experience in technical project management, technical account management, merchant integrations, or technical consulting — preferably in Fintech, Payments, or SaaS companies.
Strong technical understanding of payment integrations (APIs, SDKs, payment gateways, fraud vendors, alternative payment methods).
Exceptional project management skills : timeline creation, stakeholder management, risk mitigation.
Client-facing experience : comfortable leading technical conversations with merchant engineering teams.
Organized and proactive : capable of running multiple integration projects at the same time.
Experience with UAT planning and test case validation.
Fluent in Spanish and English .

Nice To Haves

Startup or high-growth tech environment experience is a plus .

Responsibilities

Prepare and deliver a full Statement of Work (SOW) for the merchant, including: Test credentials API documentation Integration diagrams Any project-specific technical material
Define and align a Go-Live Timeline : Work with the merchant to break down the project into phases (if needed) Identify key milestones, dependencies, and risks
Be the merchant’s main technical point of contact during integration: Support the merchant’s technical team with questions, troubleshooting, best practices, and clarifications
Own and push timelines : Ensure the merchant and internal teams are meeting the project deadlines
Actively manage risks, delays, and escalations
Collaborate closely with the Product and Engineering teams to: Escalate and prioritize integration blockers Follow up on new developments and product features required by the merchant
Build UAT (User Acceptance Testing) matrices : Internal-facing UAT matrices to align Product teams on the development acceptance criteria Merchant-facing UAT matrices to ensure the merchant tests every critical payment flow and use case
Drive a clean go-live process : Monitor launch success Ensure operational readiness of all flows (payment success, failure handling, refunds, tokenization, etc.)
Post-go-live support : Stay engaged for 3 weeks after go-live to ensure stability before handing off the account.